The newly configured CaK filter seems to work well with the Airylab telecentric at f28 with the 100mm Tal refractor with no obvious reflections or vignetting visible. Sadly there is little to see on the sun at the moment.
Images of the Sun, our local star, at a range of wavelengths with specialist solar telescopes. Imaging tutorials, solar bits and pieces for sale, talks and outreach with the Charlie Bates Solar Astronomy Project CBSAP.